Performance Tests
4–76 TDS 684A, TDS 744A, & TDS 784A Service Manual
Figure 4–35: Line Count Accuracy Test Setup Waveform – TDS 684A Shown
HPress CURSOR.
HPress the main-menu Function.
HPress the side-menu V Bars.
HUsing the General Purpose knob, place the left cursor directly over
the trigger ‘T’ icon.
HPress SELECT.
HTurn the General Purpose knob to adjust the right cursor for a cursor
delta reading of 6.780us.
HUse the HORIZONTAL POSITION knob to position the right
cursor to center screen.
HVerify that the cursor is positioned on a positive slope of the burst
signal. See Figure 4–36.